Underwater Pages Reef Animals |
Triggerfish
There are about 30 species of triggerfish in the world. They tend to live in areas of currents or towards the open sea where they can feed upon crustaceans, urchins, and coral. They also attack and eat sick or dying fish. They make noises by striking their teeth together when battling, and are aggressive when defending their territory. Triggerfish often wedge themselves into coral or rock crevasses where they extend their dorsal fins with a trigger mechanism. The Picasso Triggerfish (below left) and the Orange-Lined Triggerfish (below right) are very common in French Polynesia.
The Picasso Triggerfish Rhinecanthus aculeatus tends to hang out near the sandy bottom,
ready to dash into its sandy or rocky den. They are found in shallow sandy or
coral rubble habitat, down to 13' (4 meters) deep. (Society Islands, Fr. Polynesia) |
The Titan Triggerfish Balistoides viridescens
(up to 30" or 76cm) is a solitary, highly aggressive fish when protecting a nesting
site. The females are known to attack divers -- as we found out in
Tahiti!
They are found in lagoons and outer reefs in 10-150' (3-50 meters). (Society Islands, Fr. Polynesia) |
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